Redmi K90 Ultra vs Redmi Note 12 (China)
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 12 (China) (2022) runs on the Qualcomm Snapdragon 4 Gen 1. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 46/100 (a 27-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 48 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 521,686); the Redmi K90 Ultra has NFC for contactless payments, the Redmi Note 12 (China) doesn't; the Redmi Note 12 (China) is noticeably lighter (188g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Redmi Note 12 (China)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 521686
- Better Geekbench Single: 3013 vs 852
- Better Geekbench Multi: 9287 vs 2048
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 44/100)
- Better camera (37/100 vs 29/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 79/100)
What makes Redmi Note 12 (China) better?
- Lighter: 188g vs 227g
- Better portability (67/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Redmi Note 12 (China), the Redmi K90 Ultra scores 27 points higher (73/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 44/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (92/100 vs 44/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (China) (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (78/100 vs 46/100). In the "portability" category, the Redmi Note 12 (China) notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Redmi Note 12 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 1 | |
| AnTuTu | 3233695 | 521686 | |
| Geekbench Single | 3013 | 852 | |
| Geekbench Multi | 9287 | 2048 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 3500 nits | 1200 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP53 | |
| Dimensions | 162.9×77.9×8.2 mm | 165.9×76.2×8.0 mm | |
| Weight | 227 g | 188 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 12 (China)
- Main: 48MP
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 12 (China)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 12 (China)
- 5000 mAh
- Wired: 33W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Redmi Note 12 (China), covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 12 (China) by 519.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi Note 12 (China)
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (92/100 vs 44/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (China) (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (78/100 vs 46/100).
portability
In the "portability" category, the Redmi Note 12 (China) notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 12 (China)?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 12 (China) — 46/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra leads on camera score (37/100 vs 29/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra leads on performance (92/100 vs 44/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 12 (China)?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.